{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:UD7LW5DMRTY7QVUZ4KPRHQ7OIS","short_pith_number":"pith:UD7LW5DM","canonical_record":{"source":{"id":"2601.17561","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-01-24T19:16:09Z","cross_cats_sorted":[],"title_canon_sha256":"7296db4ad8aebdbc9a4d0cafae0263f1f37b8b3080fb08770bf3639fef51d31b","abstract_canon_sha256":"ad4eeb6d4815c8cea0475a36f52c54e797b662a3108aa1275893474f554a0eeb"},"schema_version":"1.0"},"canonical_sha256":"a0febb746c8cf1f85699e29f13c3ee44b6a260a92bb4a89a77ad0970bbd01ed8","source":{"kind":"arxiv","id":"2601.17561","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.17561","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"arxiv_version","alias_value":"2601.17561v2","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.17561","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"pith_short_12","alias_value":"UD7LW5DMRTY7","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"pith_short_16","alias_value":"UD7LW5DMRTY7QVUZ","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"pith_short_8","alias_value":"UD7LW5DM","created_at":"2026-06-19T16:11:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:UD7LW5DMRTY7QVUZ4KPRHQ7OIS","target":"record","payload":{"canonical_record":{"source":{"id":"2601.17561","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-01-24T19:16:09Z","cross_cats_sorted":[],"title_canon_sha256":"7296db4ad8aebdbc9a4d0cafae0263f1f37b8b3080fb08770bf3639fef51d31b","abstract_canon_sha256":"ad4eeb6d4815c8cea0475a36f52c54e797b662a3108aa1275893474f554a0eeb"},"schema_version":"1.0"},"canonical_sha256":"a0febb746c8cf1f85699e29f13c3ee44b6a260a92bb4a89a77ad0970bbd01ed8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:19.702265Z","signature_b64":"8h6j790SYUlGSHGcvxoHg0GfIWX7RpsXXUt6b9jbjBrQA9BXEa0aJNPzoQotco+b4gOcQDEf77i1Qgv7mS2mAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0febb746c8cf1f85699e29f13c3ee44b6a260a92bb4a89a77ad0970bbd01ed8","last_reissued_at":"2026-06-19T16:11:19.701824Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:19.701824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.17561","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-19T16:11:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w+YKWo4KrG2peDKj41fES0QHYnlBsxPUsGCzv3RU7qxuWfnMe+gLAjpl0sTRajlfK9L/GSIWjERy/5YOQNC1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T00:48:43.864438Z"},"content_sha256":"a5013a5a2175279b3791c044aad804c74331b66cba29167dbece09e1bdc4ac67","schema_version":"1.0","event_id":"sha256:a5013a5a2175279b3791c044aad804c74331b66cba29167dbece09e1bdc4ac67"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:UD7LW5DMRTY7QVUZ4KPRHQ7OIS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Private Iris Recognition with High-Performance FHE","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Damien Stehl\\'e, Guillaume Hanrot, Jincheol Ha, Jung Hee Cheon, Jung Woo Kim, Taeyeong Noh","submitted_at":"2026-01-24T19:16:09Z","abstract_excerpt":"Among biometric verification systems, irises stand out because they offer high accuracy even in large-scale databases. For example, the World ID project aims to provide authentication to all humans via iris recognition, with millions already registered. Storing such biometric data raises privacy concerns, which can be addressed using privacy-enhancing techniques.\n  Bloemen et al. describe a solution based on 2-out-of-3 Secret-Sharing Multiparty Computation (SS-MPC), for the World ID setup. In terms of security, unless an adversary corrupts 2~servers, the iris codes remain confidential and noth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.17561","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2601.17561/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-19T16:11:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qyPmDEFv16BzsSvmMfLzzEm//Ig0xT8FQi8hwvCPLlyz8Q2UiNhiB0Pq+xc32V4aWDgQ7PkukjpIkk4fVQVeDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T00:48:43.864814Z"},"content_sha256":"44a54a603726bf554dcb363fca416cd863e2f3575ab44867d96a615e716b7f34","schema_version":"1.0","event_id":"sha256:44a54a603726bf554dcb363fca416cd863e2f3575ab44867d96a615e716b7f34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UD7LW5DMRTY7QVUZ4KPRHQ7OIS/bundle.json","state_url":"https://pith.science/pith/UD7LW5DMRTY7QVUZ4KPRHQ7OIS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UD7LW5DMRTY7QVUZ4KPRHQ7OIS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-20T00:48:43Z","links":{"resolver":"https://pith.science/pith/UD7LW5DMRTY7QVUZ4KPRHQ7OIS","bundle":"https://pith.science/pith/UD7LW5DMRTY7QVUZ4KPRHQ7OIS/bundle.json","state":"https://pith.science/pith/UD7LW5DMRTY7QVUZ4KPRHQ7OIS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UD7LW5DMRTY7QVUZ4KPRHQ7OIS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UD7LW5DMRTY7QVUZ4KPRHQ7OIS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ad4eeb6d4815c8cea0475a36f52c54e797b662a3108aa1275893474f554a0eeb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-01-24T19:16:09Z","title_canon_sha256":"7296db4ad8aebdbc9a4d0cafae0263f1f37b8b3080fb08770bf3639fef51d31b"},"schema_version":"1.0","source":{"id":"2601.17561","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.17561","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"arxiv_version","alias_value":"2601.17561v2","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.17561","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"pith_short_12","alias_value":"UD7LW5DMRTY7","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"pith_short_16","alias_value":"UD7LW5DMRTY7QVUZ","created_at":"2026-06-19T16:11:19Z"},{"alias_kind":"pith_short_8","alias_value":"UD7LW5DM","created_at":"2026-06-19T16:11:19Z"}],"graph_snapshots":[{"event_id":"sha256:44a54a603726bf554dcb363fca416cd863e2f3575ab44867d96a615e716b7f34","target":"graph","created_at":"2026-06-19T16:11:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2601.17561/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Among biometric verification systems, irises stand out because they offer high accuracy even in large-scale databases. For example, the World ID project aims to provide authentication to all humans via iris recognition, with millions already registered. Storing such biometric data raises privacy concerns, which can be addressed using privacy-enhancing techniques.\n  Bloemen et al. describe a solution based on 2-out-of-3 Secret-Sharing Multiparty Computation (SS-MPC), for the World ID setup. In terms of security, unless an adversary corrupts 2~servers, the iris codes remain confidential and noth","authors_text":"Damien Stehl\\'e, Guillaume Hanrot, Jincheol Ha, Jung Hee Cheon, Jung Woo Kim, Taeyeong Noh","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-01-24T19:16:09Z","title":"Private Iris Recognition with High-Performance FHE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.17561","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a5013a5a2175279b3791c044aad804c74331b66cba29167dbece09e1bdc4ac67","target":"record","created_at":"2026-06-19T16:11:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ad4eeb6d4815c8cea0475a36f52c54e797b662a3108aa1275893474f554a0eeb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-01-24T19:16:09Z","title_canon_sha256":"7296db4ad8aebdbc9a4d0cafae0263f1f37b8b3080fb08770bf3639fef51d31b"},"schema_version":"1.0","source":{"id":"2601.17561","kind":"arxiv","version":2}},"canonical_sha256":"a0febb746c8cf1f85699e29f13c3ee44b6a260a92bb4a89a77ad0970bbd01ed8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0febb746c8cf1f85699e29f13c3ee44b6a260a92bb4a89a77ad0970bbd01ed8","first_computed_at":"2026-06-19T16:11:19.701824Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:19.701824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8h6j790SYUlGSHGcvxoHg0GfIWX7RpsXXUt6b9jbjBrQA9BXEa0aJNPzoQotco+b4gOcQDEf77i1Qgv7mS2mAw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:19.702265Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.17561","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5013a5a2175279b3791c044aad804c74331b66cba29167dbece09e1bdc4ac67","sha256:44a54a603726bf554dcb363fca416cd863e2f3575ab44867d96a615e716b7f34"],"state_sha256":"8c55c4ede00601e61c93fd5c14f30b2ad3c3233b52de8a850455c1be20d61c54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ankiMNyhFZ0ldH7scxZ6b1xRWenvLOjW8AULy5OC1FLg+XBDQlV7HHBVglwYTQQG7aiDKfwsih2n/K0Shs5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T00:48:43.866949Z","bundle_sha256":"d2ee0b2b593e2f32914746bde059f6071522479b56813173ac1195aef85107ac"}}